Technical Specifications - Celestron 11055 Instruction Manual

Below is pertinent technical information on your Celestron CM-1100 telescope that you
Technical Technical Technical Technical Technical
may find useful.
Specifications Specifications Specifications
Specifications Specifications
OPTICAL TUBE: OPTICAL TUBE: OPTICAL TUBE:
OPTICAL TUBE: OPTICAL TUBE:
DEC AXIS: DEC AXIS: DEC AXIS: DEC AXIS: DEC AXIS:
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POLAR AXIS: POLAR AXIS:
POLAR AXIS: POLAR AXIS: POLAR AXIS:
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20 • Assembling Your CM-1100
Optical System:
Aperture:
Focal Length:
F/ratio:
Highest Useful Power Magnification:
Lowest Useful Power Magnification:
Resolution (arc seconds):
Photographic Resolution:
Light Gathering Power:
Limiting Visual Magnitude:
Near Focus
with eyepiece:
with camera:
Optical Tube Length:
Weight
Optical Tube:
All machined stainless steel and aluminum
5.625 diameter precision bronze worm gear, 180 tooth. AGMA quality 10.
.4375 diameter precision 303 stainless steel worm. AGMA quality 10. Dual
bearing supported.
One inch diameter solid shaft, centerless ground
Two 2" preloaded Tapper Roller Bearings, pre-loading the shaft.
Bearing preload is independent of clutch tension.
Slip Clutch-Variable friction two knob adjustment
5.25" laser engraved setting circle, 1 degree increments.
182 oz/in Stepper Motor - .50 arc second steps
Removable stainless steel counterweight shaft
Dovetail saddle plate – allowing for interchanging of any tube assembly
Instrument Weight of 60 Lbs
All machined stainless steel and aluminum
5.625 diameter precision bronze worm gear, 180 tooth. AGMA quality 10.
.4375 diameter precision 303 stainless steel worm. AGMA quality 10. Dual
bearing supported.
One inch diameter solid shaft, centerless ground
Two 2" preloaded Tapper Roller Bearings, pre-loading the shaft.
Bearing preload is independent of clutch tension.
Slip Clutch-Variable friction two knob adjustment
5.25" driven laser engraved setting circle, 5 minute increments
(Northern Hemisphere only)
182 oz/in Stepper Motor - .50 arc second steps
Latitude adjustment 20 to 65 degrees with counterweights. Total travel is 13 to
65 degrees.
Azimuth adjustment, bi-directional +/- 7 degrees
CM-1100 CM-1100 CM-1100
CM-1100 CM-1100
Schmidt-Cassegrain Schmidt-Cassegrain
11" (279mm) 14" (356mm)
2800mm (110.2") 3910mm (153.9")
f/10 f/11
660x 840x
42x 50x
0.41 0.33
200 lines/mm 182 lines/mm
1593x 2581x
14.7 15.3
60' 175'
60' 225'
25" 32"
27.5 lbs. 45 lbs.
CM-1400 CM-1400 CM-1400
CM-1400 CM-1400